Ecoroads article,first published,May 25,2026 Road failure is rarely caused by the pavement surface itself. In most cases, deterioration begins deep beneath the roadway, within the base, sub-base, and subgrade layers that support the entire structure. Even the most carefully engineered pavement design will eventually fail if it is built on weak, unstable, moisture-sensitive, or poorly compacted base. Traditional road construction practices often attempt to overcome poor soil conditions by excavating unsuitable materials and replacing them with imported aggregates, crushed stone, cement-treated materials, or another structural fill. These approaches are frequently…
Tag: sustainability
Rwanda’s Kigali Green City, the first of its kind to be built in Africa
An international team has been appointed for the implementation of the Kigali Green City project in Rwanda. The team was appointed by the UK headquartered Feilden Clegg Bradley Studios, which won an international design competition for the project. The FCBS team comprises the local architects Light Earth Designs, A Studio Space, and Studio FH Architects, as well as Turner & Townsend. The team also included Grant Associates, AKT II, and Atelier Ten Top of Form In addition, the East Africa leading planning, design, architecture, and engineering firm, FBW Group, was appointed to offer the key services…